William Mitchell, M.D.
NPI 1972527877 · Internal Medicine Physician · Wailuku, HI
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Mitchell, M.D. is a Internal Medicine Physician provider in Wailuku, HI (NPI 1972527877).
Provider details
- NPI number
- 1972527877
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD2374 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,861 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 818 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 344 | $109 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 186 | $154 |
| Test to Measure Expiratory Airflow and Volume94010 | 174 | $30 |
| Test to Determine Lung Volumes Using Sensors94726 | 107 | $61 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 107 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 364 | 106 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 329 | 122 |
| Prednisone | 295 | 122 |
| Atorvastatin Calcium | 202 | 63 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 128 | 36 |
| Azithromycin | 116 | 75 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$180 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-26
- Last updated
- 2017-12-18
Frequently asked questions
- What is William Mitchell's NPI number?
- William Mitchell's National Provider Identifier (NPI) is 1972527877, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mitchell's specialty?
- William Mitchell is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Mitchell located?
- William Mitchell's practice location on file with NPPES is 2180 Main St, Wailuku, HI 96793-1666.
- What is William Mitchell's phone number?
- The practice phone number listed in the NPPES registry for William Mitchell is (808) 242-6464.
- Does William Mitchell accept Medicare?
- William Mitchell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Mitchell's NPI active?
- Yes — William Mitchell's NPI (1972527877) is active in the NPPES registry as of the last update on 2017-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.